Ingersoll-Rand Xe-145M, Pocket Manual

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86

Possible shorted coil in contact. Measure Ohms of
the contactor coil and compare to the other 2
contactors. If shorted coil or open coil replace
contactor or coil.

Check auxiliaries of the contact. A N.C auxiliary will
open and a N.O will close if pressed when testing
(ensure to LOTO/disconnect power to test the
auxiliaries/contact coils).

Ensure correct rotation of the motor/Air End.

Is 2ATT reading more than 50°F (10°C) when the
Air End rotates?
Main Motor Overload
Xe Software Logic for R & RS machines:
This will occur if the motor overload relay contact
opens. The contact must be open for at least 3
seconds before the trip will occur.
Recommended Checks

Check Tech Note 361 to adjust overload (same
principle for RS models).

Ensure the incoming voltage is balance to ground.